- Transgender
- Transgression
- Transhumance
- Transience
- Transiently
- Transistor
- Transistorized
- Transit camp
- Transitivize
- Translatable
- Translation
- Transliterate
- Translucence
- Trauma
- Traumatic
- Traumatize
- Travails
- Travel path
- Travelling salesman
- Trawl-net
- Tread on the eggs
- Treadle
- Treason
- Treasure trove
- Treasure-house
- Treasured
- Treaty
- Treble
- Trebly
- Tree house
- Tree snake
- Trees to keep of thieves
- Triangulation
- Tribalism
- Trice
- Trick
- Trickery
- Trickle down
- Tricuspid bone
- Tried
- Triennial
- Trifle
- Triptych
- Trisect
- Trisection
- Triskaidekaphobia
- Triumph
- Trivet
- Trivial word
- Trivially
- Trochee
- Troglodyte
- Troika
- Trojan
- Trolley
- Trolley bus
- Truancy
- Truant
- Truchman
- Truck
- Truckload
- True to
- True to life
- True to ones salt
- Truncation
- Trunk call
- Tutelary
- Tube-well
- Tubular organ of the body
- Tuck into
- Tuff of cotton
- Tuft
- Tuft-hunter
- Tug
- Tulip-tree
- Tulu nayar
- Tumble-drier
- Turn up
- Turned towards
- Turner
- Turners wheel
- Turning down
- Turnkey
- Turnover
- Turtle
- Turtle suit
- Tusk
- Tussle
- Tutelage
- Twist
- Twixt
- Two heads are better than one
- Two herbs
- Two strings to ones bow
- Typically
- Two-dimensional
- Two-handed
- Two-way
- Take office
- Take on rust